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Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG830624141

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG830624141

Diamond specifications and retailer prices

From €304 EUR
$340 USD
As of October 30, 2026
Save €1,101 EUR (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,405 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830624141 or 830624141. Listed at 17 retailers as of October 30, 2026, with prices from €304 to €1,405, a €1,101 spread on the same certified stone. Brilliant Earth lists it at €1,405. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624141
Dimensions6.02 × 6.00 × 3.81 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.02 mm6.00 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624141
Side View
Table 57.0%Crown 33.7°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,405 EUR|Low: €304 EUR|High: €2,399 EUR|Avg: €868 EUR|-41.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 17€304 EUR
Retailer 15€337 EUR
Retailer 2€347 EUR
Retailer 14€510 EUR
Retailer 11€539 EUR
Retailer 16€540 EUR
Retailer 6€550 EUR
Retailer 4€551 EUR
Retailer 13€578 EUR
Retailer 10€593 EUR
Retailer 7€866 EUR
Retailer 8€911 EUR
Retailer 5€1,124 EUR
Retailer 3€1,224 EUR
Retailer 9€1,226 EUR
Retailer 12€1,356 EUR
Brilliant Earth€1,405 EUR

28 data points across 17 retailers

17 retailers€304 EUR to €1,405 EUR

A+
Cheapest Retailer
-
€304 EUR
$340 USD
Final sale: no returns
A
Retailer 2
-
€337 EUR
$376 USD
View
A
Retailer 3
-
€347 EUR
£305 GBP
View
A
Retailer 4
-
€510 EUR
$570 USD
View
A
Retailer 5
-
€539 EUR
View
A
Retailer 6
-
€540 EUR
$603 USD
View
A
Retailer 7
-
€550 EUR
$615 USD
View
A
Retailer 8
-
€551 EUR
$616 USD
View
A
Retailer 9
-
€578 EUR
ZAR 10,437 ZAR
View
A
Retailer 10
-
€593 EUR
£522 GBP
View
B+
Retailer 11
-
€866 EUR
$968 USD
View
B+
Retailer 12
-
€911 EUR
SGD 1,375 SGD
View
B+
Retailer 13
-
€1,124 EUR
$1,256 USD
View
B+
Retailer 14
-
€1,224 EUR
$1,368 USD
View
Retailer 15
-
€1,226 EUR
$1,370 USD
View
Price last confirmed 13 days ago
B+
Retailer 16
-
€1,356 EUR
£1,193 GBP
View
Most Expensive
B
Brilliant Earth
21434220A · Oct 31
€1,405 EUR
$1,570 USD
View
16 more retailers have this diamond
Prices start from €304 EURSave up to €1,101 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A+
1.03ct Cushion
€304 EUR